All 8 series sailboat blocks from Schaefer feature high-strength, low-friction Nomen™/Teflon™ bearing for smooth
operation under the toughest of conditions.

Cheeks are constucted of tumbled and polished Stainless Steel or Hardcoat Anodized Aluminum. Sheaves are made of Injection molded Delrin™
with Nomex™/Teflon™ bearings or Aluminum utilizing Delrin™ Ball Bearings and their Nomex™/Teflon™
bearing.